Finding the Fourth Proportional to 5,139.58, 7,710.17 and 1,676.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139.58 : 7,710.17 = 1,676.02 : x
2. Step 2: Convert to fraction form
   5,139.58/7,710.17 = 1,676.02/x
3. Step 3: Cross multiply
   5,139.58x = 7,710.17 × 1,676.02
4. Step 4: Simplify right side
   5,139.58x = 12,922,399.12
5. Step 5: Solve for x
   x = 12,922,399.12/5,139.58
6. Step 6: Final answer
   x = 2,514.29